Mr. Hector Rubio Profile

Hector Rubio

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Proceedings Article | 3 October 2024 Presentation

Multi-dimensional optical computing

Zhetao Jia, Hector Rubio, Lilian Neim, Jagang Park, Stefan Preble, Boubacar Kante

Proceedings Volume PC13113, PC131130F (2024) https://doi.org/10.1117/12.3027900

KEYWORDS: Optical computing

Read Abstract +

We propose a mode-division multiplexing (MDM) approach for small-scale optical matrix multiplication and a multi-dimensional architecture for large-scale applications, supplementing wavelength-division multiplexing (WDM) with MDM to increase channel capacity for computations. We design and experimentally demonstrate key components for the MDM computing system, i.e., a multimode beam splitter, a micro-ring modulator for high-order modes, and a multimode waveguide bend. We further show a 2-by-2 matrix multiplexing system fabricated in a foundry that works for both MDM and MDM-WDM computing, which confirms that our approach successfully increases the input vector size for computing and ensures compatibility with existing WDM networks.

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